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Single chamber Solid Oxide Fuel Cells selective electrodes: A real chance with brownmillerite-based nanocomposites.

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Title: Single chamber Solid Oxide Fuel Cells selective electrodes: A real chance with brownmillerite-based nanocomposites.
Authors: Bedon, Andrea1,2 (AUTHOR) abedon@efestoinnovation.it, Viricelle, Jean Paul3 (AUTHOR), Rieu, Mathilde3 (AUTHOR), Mascotto, Simone4 (AUTHOR), Glisenti, Antonella1,2,5 (AUTHOR) antonella.glisenti@unipd.it
Source: International Journal of Hydrogen Energy. Apr2021, Vol. 46 Issue 27, p14735-14747. 13p.
Subjects: Solid oxide fuel cell electrodes, Solid oxide fuel cells, Microbial fuel cells, Nanocomposite materials, Heat treatment, Anodes
Abstract: In this contribution brownmillerite-based nanocomposite cathode for Single-Chamber Solid Oxide Fuel Cells is developed. These cells can be very attractive especially for small and cheap devices because of the absence of seals. The efficiency of SC-SOFCs is strictly connected to the selectivity of anode and cathode, the bottleneck for this technology. The development of a cathode inert in fuel oxidation is particularly challenging. Our strategy is to start from a catalytically un-active support (CFA = Ca 2 FeAl 0.95 Mg 0.05 O 5) and induce the formation of iron oxide based nanoparticles, expected to activate oxygen. Symmetric (CFA + FeO x /CGO/CFA + FeO x) and complete cells (CFA + FeO x /CGO/Ni-CGO) are studied in air and methane/oxygen 2:1 mixture. The Area Specific Resistance of CFA + FeO x is less than 1/3 that of CFA. The high selectivity allows to reach an efficiency of 25%; power still needs to be increased but we demonstrated the possibility to develop selective low cost electrodes. The effect of air, methane/oxygen exposure and the heat treatments were carefully investigated. • Selective cathodes for Single Chamber Solid Oxide Fuel Cells successfully obtained. • Nanocomposites: iron based nanoparticles dispersed on Ca 2 FeAl 0.95 Mg 0.05 O 5 (FeOx + CFA). • Symmetric FeOx + CFA/CGO/FeOx + CFA and complete FeOx + CFA/CGO/Ni-CGO cells. • Cells are tested in air & CH 4 /O 2 mixture (1:2) converting 25% of the consumed fuel. • Very cheap and environmentally sustainable devices for renewable diffused energy. [ABSTRACT FROM AUTHOR]
Copyright of International Journal of Hydrogen Energy is the property of Pergamon Press - An Imprint of Elsevier Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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DbLabel: Engineering Source
An: 149734950
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Items – Name: Title
  Label: Title
  Group: Ti
  Data: Single chamber Solid Oxide Fuel Cells selective electrodes: A real chance with brownmillerite-based nanocomposites.
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  Data: <searchLink fieldCode="AR" term="%22Bedon%2C+Andrea%22">Bedon, Andrea</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> abedon@efestoinnovation.it</i><br /><searchLink fieldCode="AR" term="%22Viricelle%2C+Jean+Paul%22">Viricelle, Jean Paul</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Rieu%2C+Mathilde%22">Rieu, Mathilde</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Mascotto%2C+Simone%22">Mascotto, Simone</searchLink><relatesTo>4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Glisenti%2C+Antonella%22">Glisenti, Antonella</searchLink><relatesTo>1,2,5</relatesTo> (AUTHOR)<i> antonella.glisenti@unipd.it</i>
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  Data: <searchLink fieldCode="JN" term="%22International+Journal+of+Hydrogen+Energy%22">International Journal of Hydrogen Energy</searchLink>. Apr2021, Vol. 46 Issue 27, p14735-14747. 13p.
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  Data: <searchLink fieldCode="DE" term="%22Solid+oxide+fuel+cell+electrodes%22">Solid oxide fuel cell electrodes</searchLink><br /><searchLink fieldCode="DE" term="%22Solid+oxide+fuel+cells%22">Solid oxide fuel cells</searchLink><br /><searchLink fieldCode="DE" term="%22Microbial+fuel+cells%22">Microbial fuel cells</searchLink><br /><searchLink fieldCode="DE" term="%22Nanocomposite+materials%22">Nanocomposite materials</searchLink><br /><searchLink fieldCode="DE" term="%22Heat+treatment%22">Heat treatment</searchLink><br /><searchLink fieldCode="DE" term="%22Anodes%22">Anodes</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: In this contribution brownmillerite-based nanocomposite cathode for Single-Chamber Solid Oxide Fuel Cells is developed. These cells can be very attractive especially for small and cheap devices because of the absence of seals. The efficiency of SC-SOFCs is strictly connected to the selectivity of anode and cathode, the bottleneck for this technology. The development of a cathode inert in fuel oxidation is particularly challenging. Our strategy is to start from a catalytically un-active support (CFA = Ca 2 FeAl 0.95 Mg 0.05 O 5) and induce the formation of iron oxide based nanoparticles, expected to activate oxygen. Symmetric (CFA + FeO x /CGO/CFA + FeO x) and complete cells (CFA + FeO x /CGO/Ni-CGO) are studied in air and methane/oxygen 2:1 mixture. The Area Specific Resistance of CFA + FeO x is less than 1/3 that of CFA. The high selectivity allows to reach an efficiency of 25%; power still needs to be increased but we demonstrated the possibility to develop selective low cost electrodes. The effect of air, methane/oxygen exposure and the heat treatments were carefully investigated. • Selective cathodes for Single Chamber Solid Oxide Fuel Cells successfully obtained. • Nanocomposites: iron based nanoparticles dispersed on Ca 2 FeAl 0.95 Mg 0.05 O 5 (FeOx + CFA). • Symmetric FeOx + CFA/CGO/FeOx + CFA and complete FeOx + CFA/CGO/Ni-CGO cells. • Cells are tested in air & CH 4 /O 2 mixture (1:2) converting 25% of the consumed fuel. • Very cheap and environmentally sustainable devices for renewable diffused energy. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of International Journal of Hydrogen Energy is the property of Pergamon Press - An Imprint of Elsevier Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1016/j.ijhydene.2021.01.220
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 13
        StartPage: 14735
    Subjects:
      – SubjectFull: Solid oxide fuel cell electrodes
        Type: general
      – SubjectFull: Solid oxide fuel cells
        Type: general
      – SubjectFull: Microbial fuel cells
        Type: general
      – SubjectFull: Nanocomposite materials
        Type: general
      – SubjectFull: Heat treatment
        Type: general
      – SubjectFull: Anodes
        Type: general
    Titles:
      – TitleFull: Single chamber Solid Oxide Fuel Cells selective electrodes: A real chance with brownmillerite-based nanocomposites.
        Type: main
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          Name:
            NameFull: Bedon, Andrea
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            NameFull: Viricelle, Jean Paul
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            NameFull: Rieu, Mathilde
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            NameFull: Mascotto, Simone
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            NameFull: Glisenti, Antonella
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            – D: 19
              M: 04
              Text: Apr2021
              Type: published
              Y: 2021
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              Value: 03603199
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              Value: 46
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              Value: 27
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            – TitleFull: International Journal of Hydrogen Energy
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